"Toxicology results returned to the Winehouse family by authorities have confirmed that there were no illegal substances in Amy's system..." said Chris Goodman, a spokesman for the family. However, results did indicate that alcohol was in her system -- though it's still unclear what caused her death.PHOTOS: Stars React to Amy Winehouse's Death

Fans around the world are still reeling over the British sensation's death. It will be several more weeks before an official cause of death is known.